


Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community for help and clear up your study doubts
Discover the best universities in your country according to Docsity users
Free resources
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
Intermediate Rigging (BOOM VOC) Test | Questions and Answers | Latest 2025 / 2026 Update | 100 out of 100 | GRADED A
Typology: Exams
1 / 4
This page cannot be seen from the preview
Don't miss anything!
What factor would you apply in determining the minimum capacity requirement for cranes, slings etc for use in a dual crane lift?
20% reduction for each crane
When using more than one crane for a lift, how many crane motions would you direct at any one time?
One
When rotating a load using two cranes, how much weight must the primary crane be capable of carrying?
100% of the load
Is a person with a basic rigger certificate allowed to supervise dual crane lifts?
No
Calculate the required minimum crane capacity for each crane where two cranes are used to lift a 35 tonne beam and the sling pints are located at equal distance from each end?
35t divided by 2 = 17.5 x 20% = 21t Each crane must have a capacity of 21t at the required radius
When rotating a load using the main and auxiliary hooks on a single crane, how ` much weight must the whip line or auxiliary hook be capable of carrying?
20% less than its rated capacity
What is the minimum amount of clearance required between the top layer of rope and the rim of the flange of a winch drum?
A minimum of two full turns on the winch drum
How would you determine the fleet angle for an un-grooved winch drum?
60 degrees